{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["used for", "conjunction", "part of", "hyponym of"], "input": "In this paper , we introduce KAZE features , a novel multiscale 2D feature detection and description algorithm in nonlinear scale spaces ."}
{"used for": [], "conjunction": [], "part of": [], "hyponym of": [{"subject": "KAZE features", "object": "multiscale 2D feature detection and description algorithm"}]}